Head circumference: 55–62cm (21

Breeze through every ride

it's foldable

Perfect for small kids and toddler's heads

Journey Pro Waterproof Backpack Hiking Head circumference: 55–62cm (21Ultimate Versatility Journey Pro Waterproof Backpack Meet the Journey Pro Waterproof Backpack from OZ SMART, your ultimate Travel Backpack, School Backpack, and Laptop Backpack. Designed to fit up to a 15. 6 inch laptop, this Best Carry On Backpack boasts durable, water proof materials, a USB charging port, and a spacious compartment. Enjoy style, comfort, and security on every journey. Technical Details Dimensions: 45 x 30 x 16 cm (17. 7 x 11. 8 x 6.